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Faculty Member (alphabetical order)	Biographical Sketch and Interests
John Birk, M.D. Instructor of Medicine	Dr. Birk completed his residency at Stony Brook and remained for his fellowship training. His current interests include endoscopic ultrasonography, as well as biliary disease.
Douglas L. Brand, M.D., F.A.C.P. Associate Professor of Medicine Associate Chief of Medicine Director, Residency Training Program	Dr. Brand worked with Dr. Charles Pope in Seattle prior to assuming the Division Head position at Stony Brook. His interest are in esophageal disease, esophageal motility, gallbladder and biliary tract motility. He has continued interest in medical education in his current capacity as Director of the Medical Residency program.
Edward H. Cheng, M.D., F.A.C.P. Assistant Professor of Medicine Director, Fellowship Training Program	Dr. Cheng graduated from New York University School of Medicine and did his medical residency at the University of California at San Diego before coming to Stony Brook for his gastroenterology training. His interest has been in gut immunology and gut-associated lymphoid tissues; his clinical interest is in peptic ulcer disease therapy.
Gail M. Comer, M.D., F.A.C.P. Associate Professor of Medicine Director of Endoscopy	Dr. Comer was Chief of Gastroenterology at Harlem Hospital prior to coming to Stony Brook as Chief of Endoscopy. Her interests has been in clinical liver disease, and hepatobiliary disease.
Peter F. Ells, M.D. Assistant Professor of Clinical Medicine Acting Division Head	Dr. Ells trained at the University of California at San Francisco prior to joining the faculty at Stony Brook. His interest include cinical liver disease; and cinical outcomes research. He is currently acting head of the division.
Gerond Lake-Bakaar, M.D. Associate Professor of Medicine Chief, GI Section, VAMC Northport	Dr. Lake-Bakaar was at SUNY Brooklyn prior to joining the faculty at Stony Brook as Chief of the GI Section at the VA Northport. His interest include experimental pancreatitis, use of calcium channel blockers in pancreatitis, AIDS gastropathy and its effects on gastric acid secretions and drug absorption, alcohol and chronic viral liver disease.
Tai-Ping Lee, M.D. Assistant Professor of Clinical Medicine	Dr. Lee was an attending gastroenterologist at Harlem Hospital prior to joining the faculty. Her interest has been in clinical liver disease, endoscopic ultrasonography, and motility studies.
Erich R. Mackow, Ph.D. Assistant Professor of Medicine and Microbiology	Dr. Mackow came from Stanford and has an active laboratory studying the molecular biology of viral infections and host immune responses including rotavirus and hantaviruses.
Robert D. Shaw, M.D. Assistant Professor of Medicine	Dr. Shaw completed his fellowship at Stanford and has an active lab investigating viral gastroenteritis, mechanisms of rotavirus infection and host intestinal immune response.